Quarterly Operating Results (Unaudited) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 26, 2014	Jun. 27, 2014	Mar. 28, 2014	Dec. 31, 2013	Sep. 27, 2013	Jun. 28, 2013	Mar. 29, 2013	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Quarterly Financial Information Disclosure [Abstract]
Net sales	$ 1,546.7	$ 1,471.7	$ 1,531.3	$ 1,430.1	$ 1,661.3	$ 1,557.1	$ 1,659.1	$ 1,543.7	$ 5,979.8		$ 6,421.2		$ 6,059.5
Gross profit	102.7	26.6	131.8	132.1	193.8	160.2	192.8	156.9	393.2		703.7		624.9
Net income (loss) attributable to Company common shareholders	(163.2)	(124.2)	(24.8)	(315.4)	13.8	5.7	8.2	(45.8)	(627.6)		(18.1)		4.0
Net income (loss) attributable to Company common shareholders — for diluted EPS computation	$ (163.2)	$ (124.2)	$ (24.8)	$ (315.4)	$ 13.9	$ 5.8	$ 8.3	$ (45.8)	$ (627.6)	[1]	$ (18.1)	[1]	$ 4.3	[1]
Earnings (loss) per common share - basic (usd per share)	$ (3.35)	$ (2.55)	$ (0.51)	$ (6.42)	$ 0.28	$ 0.11	$ 0.17	$ (0.92)	$ (12.86)	[2]	$ (0.37)	[2]	$ 0.08	[2]
Earnings (loss) per common share - assuming dilution (usd per share)	$ (3.35)	$ (2.55)	$ (0.51)	$ (6.42)	$ 0.27	$ 0.11	$ 0.16	$ (0.92)	$ (12.86)		$ (0.37)		$ 0.08

[1] Numerator

[2] Under the two class method, Earnings per share — basic reflects undistributed earnings per share for both common stock and unvested share-based payment awards (restricted stock).